BL-TOUCH - TRONXY X5S- original board

#New description:

BL-TOUCH installed on original tronxy card TRONXY X5S ref carte CXY-V.2

To use Bltouch , you have the possibitty to use port of mother-board light pin 27
or 17 or 29 following your screen bord

black port

O| |O
O| |O
O|| |O 17 unused on my screen and mother card
27 O| |O 29 unused on my screen and mother card
O| |O

and active on marlin fir